40745907 has 12 divisors (see below), whose sum is σ = 58937424. Its totient is φ = 27126000.

The previous prime is 40745893. The next prime is 40745927. The reversal of 40745907 is 70954704.

It is a happy number.

It is not a de Polignac number, because 40745907 - 2¹⁰ = 40744883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40745927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4657 + ... + 10157.

It is an arithmetic number, because the mean of its divisors is an integer number (4911452).

Almost surely, 2^40745907 is an apocalyptic number.

40745907 is a deficient number, since it is larger than the sum of its proper divisors (18191517).

40745907 is a wasteful number, since it uses less digits than its factorization.

40745907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330 (or 6327 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40745907 is about 6383.2520708492. The cubic root of 40745907 is about 344.1079158223.

The spelling of 40745907 in words is "forty million, seven hundred forty-five thousand, nine hundred seven".